Bennet Omalu, Concussions, and the NFL: How One Doctor Changed Football Forever
Report: More than 100 diagnosed concussions left out of NFL studies, including injuries to ex-Cowboys QB Troy Aikman
FRONTLINE, League of Denial: The NFL's Concussion Crisis, Season 2013, Episode 16
Football parents face tough decisions after concussions: 'I'm nervous every play' - The Washington Post
Exactly How Dangerous Is Football?
Autopsy: Severe brain trauma in ex-NFL player who shot 6
Tua Tagovailoa's head injury puts NFL concussion protocol under scrutiny - The Washington Post
The FRONTLINE Interview: Dr. Ann McKee, League of Denial: The NFL's Concussion Crisis, FRONTLINE
Full article: Accepted Abstracts from the International Brain Injury Association's 12th World Congress on Brain Injury